201646809

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2069}}^1$

素因数の和:2119

約数の個数: 72

約数和(自身を含む): 386535240

約数和(自身を除く): 184888431

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 221, 273, 357, 441, 637, 663, 819, 833, 1071, 1547, 1911, 1989, 2069, 2499, 4641, 5733, 6207, 7497, 10829, 13923, 14483, 18621, 26897, 32487, 35173, 43449, 80691, 97461, 101381, 105519, 130347, 188279, 242073, 246211, 304143, 316557, 457249, 564837, 738633, 912429, 1317953, 1371747, 1694511, 1723477, 2215899, 3200743, 3953859, 4115241, 5170431, 9602229, 11861577, 15511293, 22405201, 28806687, 67215603, 201646809]

約数ペア:

[(1, 201646809), (3, 67215603), (7, 28806687), (9, 22405201), (13, 15511293), (17, 11861577), (21, 9602229), (39, 5170431), (49, 4115241), (51, 3953859), (63, 3200743), (91, 2215899), (117, 1723477), (119, 1694511), (147, 1371747), (153, 1317953), (221, 912429), (273, 738633), (357, 564837), (441, 457249), (637, 316557), (663, 304143), (819, 246211), (833, 242073), (1071, 188279), (1547, 130347), (1911, 105519), (1989, 101381), (2069, 97461), (2499, 80691), (4641, 43449), (5733, 35173), (6207, 32487), (7497, 26897), (10829, 18621), (13923, 14483)]